947449924 has 12 divisors (see below), whose sum is σ = 1665896848. Its totient is φ = 471479400.

The previous prime is 947449891. The next prime is 947449949. The reversal of 947449924 is 429944749.

It is a super-2 number, since 2×947449924² = 1795322716975211552, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560442 + ... + 562129.

Almost surely, 2^947449924 is an apocalyptic number.

It is an amenable number.

947449924 is a deficient number, since it is larger than the sum of its proper divisors (718446924).

947449924 is a wasteful number, since it uses less digits than its factorization.

947449924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122786 (or 1122784 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The square root of 947449924 is about 30780.6745215241. The cubic root of 947449924 is about 982.1671891909.

The spelling of 947449924 in words is "nine hundred forty-seven million, four hundred forty-nine thousand, nine hundred twenty-four".